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sanjeevsharma
07-11-2007, 10:32 AM
Please suggest the density of Bitumen & Tarfelt used for cold room flooring.

sinewave
11-11-2007, 04:26 PM
I 'suggest' you contact the Manuf' who'll be able to advise you! :D

Dave Sewell
25-11-2007, 09:17 PM
Please suggest the density of Bitumen & Tarfelt used for cold room flooring.

Sanjeev,
The only reason for the tarfelt / bitumen is to form a vaour barrier between the room and the outside. A sufficient thickness I would suggest is 6mm (1/4 inch). This will be enough to permeate the insulation gaps completely and form the barrier as well as bonding the insulation material to the finished exterior.

DAVE SEWELL